Official Answer Key & Detailed Solution
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Correct Answer: Option (D) — a numeric value that measures the fluctuations of a stock to changes in the overall stock market
Concept & Option Breakdown
Standard Reference VerifiedIn financial theory (specifically the Capital Asset Pricing Model - CAPM), 'Beta' is a statistical measure of the systematic risk or volatility of a security or portfolio relative to the market as a whole (benchmark beta = 1.0). A beta greater than 1 implies greater volatility than the broader market.
Option (a) defines 'Arbitrage'. Option (d) correctly matches the textbook financial definition of 'Beta' as a measure of relative volatility.
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